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Re: Error Checking for Array Reference

by pg (Canon)
on Nov 06, 2005 at 06:34 UTC ( #506083=note: print w/ replies, xml ) Need Help??

in reply to Error Checking for Array Reference

"Is it best to do this in the function? before it is returned?"

In general, a function should first validate the input it gets before doing any processing. This is for sure the best practice, although people don't usually do this. bobf already pointed out how to validate refs.

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